#ifndef ASM_DMA_CONTIGUOUS_H | |
#define ASM_DMA_CONTIGUOUS_H | |
#ifdef __KERNEL__ | |
#ifdef CONFIG_CMA | |
#include <linux/device.h> | |
#include <linux/dma-contiguous.h> | |
static inline struct cma *dev_get_cma_area(struct device *dev) | |
{ | |
if (dev && dev->cma_area) | |
return dev->cma_area; | |
return dma_contiguous_default_area; | |
} | |
static inline void dev_set_cma_area(struct device *dev, struct cma *cma) | |
{ | |
if (dev) | |
dev->cma_area = cma; | |
if (!dev || !dma_contiguous_default_area) | |
dma_contiguous_default_area = cma; | |
} | |
#endif | |
#endif | |
#endif |